2⁴ × 7 × 11 × 67 × 251

Prime Factor Structure

Factorization String 2^4 × 7 × 11 × 67 × 251

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 80

Divisor Sum (σ) 50,996,736

Proper Divisor Sum 30,278,192

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #20718539 ← → #20718547

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

20,718,544 10,359,272 5,179,636 2,589,818 1,294,909 3,884,728 1,942,364 971,182 485,591 1,456,774 728,387 2,185,162 1,092,581 3,277,744 1,638,872 819,436 409,718 204,859 614,578 307,289 921,868 460,934 230,467 691,402 345,701 1,037,104 518,552 259,276 129,638 64,819 194,458 97,229 291,688 145,844 72,922 36,461 109,384 54,692 27,346 13,673 41,020 20,510 10,255 30,766 15,383 46,150 23,075 69,226 34,613 103,840 51,920 25,960 12,980 6,490 3,245 9,736 4,868 2,434 1,217 3,652

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.